/*
- Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
+
/** @file test/file_group_test.cc
- * @brief Check that FileGroup works.
+ * @brief Test FileGroup class.
+ * @ingroup selfcontained
*/
-#include <stdint.h>
-#include <cstdio>
+
+#include "lib/file_group.h"
#include <boost/test/unit_test.hpp>
#include <boost/filesystem.hpp>
-#include "lib/file_group.h"
+#include <stdint.h>
+#include <cstdio>
+
using std::vector;
+
BOOST_AUTO_TEST_CASE (file_group_test)
{
/* Random data; must be big enough for all the files */
for (int i = 0; i < 65536; ++i) {
data[i] = rand() & 0xff;
}
-
+
int const num_files = 4;
int length[] = {
total_length += length[i];
}
- vector<boost::filesystem::path> name;
boost::filesystem::create_directories ("build/test/file_group_test");
- name.push_back ("build/test/file_group_test/A");
- name.push_back ("build/test/file_group_test/B");
- name.push_back ("build/test/file_group_test/C");
- name.push_back ("build/test/file_group_test/D");
+ vector<boost::filesystem::path> name = {
+ "build/test/file_group_test/A",
+ "build/test/file_group_test/B",
+ "build/test/file_group_test/C",
+ "build/test/file_group_test/D"
+ };
int base = 0;
for (int i = 0; i < num_files; ++i) {
- FILE* f = fopen (name[i].string().c_str(), "wb");
+ auto f = fopen (name[i].string().c_str(), "wb");
fwrite (data + base, 1, length[i], f);
fclose (f);
base += length[i];
int pos = 0;
/* Basic read from 0 */
- BOOST_CHECK_EQUAL (fg.read (test, 64), 64);
- BOOST_CHECK_EQUAL (memcmp (data, test, 64), 0);
+ BOOST_CHECK_EQUAL (fg.read(test, 64), 64);
+ BOOST_CHECK_EQUAL (memcmp(data, test, 64), 0);
pos += 64;
/* Another read following the previous */
- BOOST_CHECK_EQUAL (fg.read (test, 4), 4);
- BOOST_CHECK_EQUAL (memcmp (data + pos, test, 4), 0);
+ BOOST_CHECK_EQUAL (fg.read(test, 4), 4);
+ BOOST_CHECK_EQUAL (memcmp(data + pos, test, 4), 0);
pos += 4;
/* Read overlapping A and B */
- BOOST_CHECK_EQUAL (fg.read (test, 128), 128);
- BOOST_CHECK_EQUAL (memcmp (data + pos, test, 128), 0);
+ BOOST_CHECK_EQUAL (fg.read(test, 128), 128);
+ BOOST_CHECK_EQUAL (memcmp(data + pos, test, 128), 0);
pos += 128;
- /* Read overlapping B/C/D and over-reading */
- BOOST_CHECK_EQUAL (fg.read (test, total_length * 3), total_length - pos);
- BOOST_CHECK_EQUAL (memcmp (data + pos, test, total_length - pos), 0);
-
- /* Bad seek */
- BOOST_CHECK_EQUAL (fg.seek (total_length * 2, SEEK_SET), -1);
+ /* Read overlapping B/C/D and over-reading by a lot */
+ BOOST_CHECK_EQUAL (fg.read(test, total_length * 3), total_length - pos);
+ BOOST_CHECK_EQUAL (memcmp(data + pos, test, total_length - pos), 0);
+
+ /* Over-read by a little */
+ BOOST_CHECK_EQUAL (fg.seek(0, SEEK_SET), 0);
+ BOOST_CHECK_EQUAL (fg.read(test, total_length), total_length);
+ BOOST_CHECK_EQUAL (fg.read(test, 1), 0);
+
+ /* Seeking off the end of the file should not give an error */
+ BOOST_CHECK_EQUAL (fg.seek(total_length * 2, SEEK_SET), total_length * 2);
+ /* and attempting to read should return nothing */
+ BOOST_CHECK_EQUAL (fg.read(test, 64), 0);
+ /* but the requested seek should be remembered, so if we now go back (relatively) */
+ BOOST_CHECK_EQUAL (fg.seek(-total_length * 2, SEEK_CUR), 0);
+ /* we should be at the start again */
+ BOOST_CHECK_EQUAL (fg.read(test, 64), 64);
+ BOOST_CHECK_EQUAL (memcmp(data, test, 64), 0);
/* SEEK_SET */
- BOOST_CHECK_EQUAL (fg.seek (999, SEEK_SET), 999);
- BOOST_CHECK_EQUAL (fg.read (test, 64), 64);
- BOOST_CHECK_EQUAL (memcmp (data + 999, test, 64), 0);
+ BOOST_CHECK_EQUAL (fg.seek(999, SEEK_SET), 999);
+ BOOST_CHECK_EQUAL (fg.read(test, 64), 64);
+ BOOST_CHECK_EQUAL (memcmp(data + 999, test, 64), 0);
/* SEEK_CUR */
- BOOST_CHECK_EQUAL (fg.seek (42, SEEK_CUR), 999 + 64 + 42);
- BOOST_CHECK_EQUAL (fg.read (test, 64), 64);
- BOOST_CHECK_EQUAL (memcmp (data + 999 + 64 + 42, test, 64), 0);
+ BOOST_CHECK_EQUAL (fg.seek(42, SEEK_CUR), 999 + 64 + 42);
+ BOOST_CHECK_EQUAL (fg.read(test, 64), 64);
+ BOOST_CHECK_EQUAL (memcmp(data + 999 + 64 + 42, test, 64), 0);
/* SEEK_END */
- BOOST_CHECK_EQUAL (fg.seek (1077, SEEK_END), total_length - 1077);
- BOOST_CHECK_EQUAL (fg.read (test, 256), 256);
- BOOST_CHECK_EQUAL (memcmp (data + total_length - 1077, test, 256), 0);
+ BOOST_CHECK_EQUAL (fg.seek(1077, SEEK_END), total_length - 1077);
+ BOOST_CHECK_EQUAL (fg.read(test, 256), 256);
+ BOOST_CHECK_EQUAL (memcmp(data + total_length - 1077, test, 256), 0);
}
projects / dcpomatic.git / blobdiff